ASSESSMENT OF HEAVY METALS AND HISTAMINE IN FARMED FISH SPECIES MARKETED IN EGYPT | ||||
| Assiut Veterinary Medical Journal | ||||
| Article 29, Volume 71, Issue 186, July 2025, Page 361-371 PDF (572.52 K) | ||||
| Document Type: Research article | ||||
| DOI: 10.21608/avmj.2025.346661.1533 | ||||
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| Authors | ||||
ASMAA H. ATTIA1; MOHAMED A. HASSAN 2; NEVEN H. ABO ELENIEN1; HASSAN S.I.A. ALHARTHY3; AMINA M. ELRAIS  2; ELSAID A. ELDALY4
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| 1Agricultural Research Center, Animal Health Research Institute, Zagazig Branch, Zagazig, Egypt. | ||||
| 2Food Control Department, Faculty of Veterinary Medicine, Benha University, Benha 13518, Egypt. | ||||
| 3Clinical Biochemistry Department, Faculty of Veterinary Medicine, Benha University 13518, Egypt. | ||||
| 4Food Control Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt | ||||
| Abstract | ||||
| Humans are exposed to certain environmental contaminants from finfish and shellfish, including heavy metals, metalloids, and biogenic amines, such as tyramine, cadaverine, and putrescine, which potentiate histamine toxicity. This study aimed to determine the extent of contamination with some heavy metals (mercury, lead, and cadmium) and levels of histamine formation in farmed fish marketed in Zagazig City, Egypt. A total of 90 fish samples were collected from farmed fish marketed in Zagazig City, Egypt. The samples represented Mugil cephalus (M. cephalus), Oreochromis niloticus (O. niloticus), and Claris lazera (C. lazera). 30 of each were subjected to heavy metals analysis Mercury (Hg), lead (Pb), cadmium (Cd), and histamine levels. The mean values of Hg, Pb, and Cd were 0.22 ± 0.03, 0.26 ± 0.01, and 0.09 ± mg/kg in M. cephalus; 0.31 ± 0.04, 0.39 ± 0.01, and 0.17 ± mg/kg in O. niloticus; and 0.41 ± 0.07, 0.51 ± 0.01, and 0.30 ± mg/kg in C. lazera, respectively. The histamine values were 10.35 ± 3.58, 14.41 ± 3.36, and 20.38 ± 4.11 mg/kg in examined M. cephalus, O. niloticus, and C. lazera, respectively. The samples of C. lazera significantly contained higher contaminants (P<0.05) than other M. cephalus and O. niloticus. The effect of L. rhamnosus and Bacillus polymyxa in the control of heavy metals and histamine is considered a promising solution for human health. | ||||
| Keywords | ||||
| Mercury; Mugil cephalus; O. niloticus; C. lazera; histamine | ||||
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